File name:

3proxy.exe

Full analysis: https://app.any.run/tasks/df1675ed-5656-4b6a-8545-5ae6758a573a
Verdict: Malicious activity
Threats:

Orcus is a modular Remote Access Trojan with some unusual functions. This RAT enables attackers to create plugins using a custom development library and offers a robust core feature set that makes it one of the most dangerous malicious programs in its class.

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Analysis date: May 09, 2021, 13:43:50
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
orcus
trojan
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

AE0ED4F0FC3BD0C8DF6A94A36B77B619

SHA1:

B40662104D3913F38A554E5C4233429E503985A7

SHA256:

EB63BA2AD98B46E98C28AB688BEEE0316BA521420EC616F2C60248DE13EF51CF

SSDEEP:

24576:CCtgEXrRCFuL0EVKCoucCY/J1OcS4IWb1qZ:H8zhJBGpEq

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Application was dropped or rewritten from another process

      • trap.exe (PID: 3332)
      • trap.exe (PID: 3304)
      • server.exe (PID: 3572)
      • server.exe (PID: 2252)

    • Drops executable file immediately after starts

      • 3proxy.exe (PID: 3644)
      • trap.exe (PID: 3332)

    • ORCUS was detected

      • trap.exe (PID: 3332)
      • server.exe (PID: 3572)
      • server.exe (PID: 2252)

    • Changes settings of System certificates

      • server.exe (PID: 3572)

    • Changes the autorun value in the registry

      • server.exe (PID: 3572)

    • Loads the Task Scheduler COM API

      • server.exe (PID: 3572)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • trap.exe (PID: 3332)
      • 3proxy.exe (PID: 3644)

    • Drops a file with a compile date too recent

      • 3proxy.exe (PID: 3644)
      • trap.exe (PID: 3332)

    • Creates a directory in Program Files

      • trap.exe (PID: 3332)

    • Creates files in the program directory

      • trap.exe (PID: 3332)

    • Executes application which crashes

      • trap.exe (PID: 3332)

    • Starts itself from another location

      • trap.exe (PID: 3332)

    • Reads Environment values

      • server.exe (PID: 3572)

    • Executed via Task Scheduler

      • server.exe (PID: 2252)

  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (63.1)
.exe | Win64 Executable (generic) (23.8)
.dll | Win32 Dynamic Link Library (generic) (5.6)
.exe | Win32 Executable (generic) (3.8)
.exe | Generic Win/DOS Executable (1.7)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0xc7dde
UninitializedDataSize: -
InitializedDataSize: 1024
CodeSize: 810496
LinkerVersion: 11
PEType: PE32
TimeStamp: 2021:05:09 15:39:37+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 09-May-2021 13:39:37

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 09-May-2021 13:39:37
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x000C5DE4
0x000C5E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.99892
.rsrc
0x000C8000
0x00000010
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
0
.reloc
0x000CA000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0980042

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
46
Monitored processes
6
Malicious processes
4
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start drop and start start drop and start 3proxy.exe trap.exe no specs #ORCUS trap.exe ntvdm.exe no specs #ORCUS server.exe #ORCUS server.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2252"C:\Program Files\3DProxy\server.exe" C:\Program Files\3DProxy\server.exe
taskeng.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\program files\3dproxy\server.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
3304"C:\Users\admin\Documents\trap.exe" C:\Users\admin\Documents\trap.exe—3proxy.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Version:
1.0.0.0
Modules
Images
c:\users\admin\documents\trap.exe
c:\systemroot\system32\ntdll.dll
3332"C:\Users\admin\Documents\trap.exe" C:\Users\admin\Documents\trap.exe
3proxy.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\documents\trap.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
3484"C:\Windows\system32\ntvdm.exe" -i1 C:\Windows\system32\ntvdm.exe—trap.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
NTVDM.EXE
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\ntvdm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
3572"C:\Program Files\3DProxy\server.exe" C:\Program Files\3DProxy\server.exe
trap.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\program files\3dproxy\server.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
3644"C:\Users\admin\AppData\Local\Temp\3proxy.exe" C:\Users\admin\AppData\Local\Temp\3proxy.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\3proxy.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
815
Read events
795
Write events
20
Delete events
0

Modification events

(PID) Process:(3644) 3proxy.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3644) 3proxy.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3572) server.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:3DProxy Starter
Value:
"C:\Program Files\3DProxy\server.exe"
(PID) Process:(3332) trap.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3332) trap.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3572) server.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3572) server.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\3B1EFD3A66EA28B16697394703A72CA340A05BD5
Operation:writeName:Blob
Value:
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
Executable files
2
Suspicious files
5
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3484ntvdm.exeC:\Users\admin\AppData\Local\Temp\scsC35C.tmp —
MD5:—
SHA256:—
3484ntvdm.exeC:\Users\admin\AppData\Local\Temp\scsC35D.tmp —
MD5:—
SHA256:—
3572server.exeC:\Users\admin\AppData\Local\Temp\CabC80F.tmp —
MD5:—
SHA256:—
3572server.exeC:\Users\admin\AppData\Local\Temp\TarC810.tmp —
MD5:—
SHA256:—
3572server.exeC:\Users\admin\AppData\Local\Temp\CabC821.tmp —
MD5:—
SHA256:—
3572server.exeC:\Users\admin\AppData\Local\Temp\TarC822.tmp —
MD5:—
SHA256:—
3572server.exeC:\Users\admin\AppData\Local\Temp\CabC91D.tmp —
MD5:—
SHA256:—
3572server.exeC:\Users\admin\AppData\Local\Temp\TarC91E.tmp —
MD5:—
SHA256:—
3572server.exeC:\Users\admin\AppData\Local\Temp\CabC98C.tmp —
MD5:—
SHA256:—
3572server.exeC:\Users\admin\AppData\Local\Temp\TarC98D.tmp —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
2
DNS requests
1
Threats
1

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3572
server.exe
GET
304
2.17.121.43:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
unknown
compressed
58.4 Kb
whitelisted
3572
server.exe
GET
200
2.17.121.43:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
unknown
compressed
58.4 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3572
server.exe
51.89.228.214:10134
—
—
GB
malicious
—
—
2.17.121.43:80
www.download.windowsupdate.com
Akamai International B.V.
—
suspicious

DNS requests

Domain
IP
Reputation
www.download.windowsupdate.com
  • 2.17.121.43
  • 2.17.121.50
whitelisted

Threats

Found threats are available for the paid subscriptions
1 ETPRO signatures available at the full report
No debug info
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Reports
3proxy.exe